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Finding the Fourth Proportional to 7,417,296,030.80, 10,399,502,681.20 and 7,417,296,030.80

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Solution

The fourth proportional to 7,417,296,030.80, 10,399,502,681.20 and 7,417,296,030.80 is: 10,399,502,681.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,417,296,030.80 : 10,399,502,681.20 = 7,417,296,030.80 : x
  2. Step 2: Convert to fraction form
    7,417,296,030.80/10,399,502,681.20 = 7,417,296,030.80/x
  3. Step 3: Cross multiply
    7,417,296,030.80x = 10,399,502,681.20 × 7,417,296,030.80
  4. Step 4: Simplify right side
    7,417,296,030.80x = 77,136,189,959,558,725,632
  5. Step 5: Solve for x
    x = 77,136,189,959,558,725,632/7,417,296,030.80
  6. Step 6: Final answer
    x = 10,399,502,681.20

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.